JPH0812238A - Escalator safety and protection device - Google Patents

Abstract

PURPOSE:To prevent occurrence of such an accident as pinched in the gap between any of skirt panels of an escalator and footsteps by furnishing a skirt panel part gap sensing means for sensing existence of an foreign matter, and thereby stopping the escalator and also issuing an appropriate alarm. CONSTITUTION:An escalator is equipped with skirt panels 5 below the inner side plates 2, to which a handrail rubber 1 is attached, and with footsteps 4 located inside the skirt panels. The arrangement includes a skirt panel part gap sensing means to sense existence of any foreign matter in the gaps between the skirt panels 5 and footsteps 4. For example, the gap sensing means is composed of a photo-sensor 6 and reflection board 12 and makes automatic measurement millimeter by millimeter using photo-sensors 6 which are installed in an inner deck 3 at certain intervals. When any foreign matter is sensed, the escalator is stopped automatically along with the issue of an appropriate alarm to the management so that occurrence of such an accident as pinched in the gap is precluded.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an escalator safety protection device, and more particularly to the presence or absence of foreign matter in the gap between the skirt panel and the steps, the foreign matter on the steps, or the unnatural force applied to the skirt panel side end of the steps. The present invention relates to an escalator safety protection device that detects accidents and the like and prevents accidents that the skirt panel and the steps are caught, and that the steps are raised and lowered.

[0002]

2. Description of the Related Art FIG. 5 is a sectional view showing a state of a skirt panel and steps of a conventional existing escalator.

In FIG. 5, 1 is a handrail rubber, 2 is an inner plate, 3 is an inner deck, 4 is a step, 5 is a skirt panel, 9 is a cleazer, 10 is a demarcation com, and G is a skirt panel. 5 shows the gap between step 5 and step 4.

The conventional escalator having such a structure does not have a function of detecting the gap G, and the gap G is only measured at the time of a regular inspection performed once a year.

In recent years, there have been a number of accidents in which shoes are caught in the gap between the skirt panel 5 and the step 4 and in the part where the step 4 is raised and the part where the step is lowered, and measures to prevent these accidents have been demanded. .

[0006]

As described above, in the conventional escalator, the gap G between the skirt panel 5 and the step 4 is provided.
Since it does not have a means to measure automatically, it cannot be detected even if the gap value exceeds the control value. For example, regarding the occurrence of user disaster (disappearance in the gap G, etc.) There was a problem that I could not deal with it at all.

The present invention solves the above problems,
The presence or absence of foreign matter in the gap between the skirt panel and the steps, the foreign matter on the steps, or the unnatural force applied to the skirt panel side end of the steps is detected to detect the clearance between the skirt panel and the steps and the serrations between the steps. It is an object of the present invention to provide an escalator safety protection device which prevents accidents when the escalator is caught in the raising portion and the auction lowering portion.

[0008]

In order to solve the above problems, the escalator safety protection device of the first feature of the present invention is a skirt panel portion for detecting the presence or absence of foreign matter in the gap between the skirt panel of the escalator and the steps. It is configured to have a gap detecting means.

Further, the escalator safety protection device of the second feature of the present invention comprises a step foreign matter detecting means for detecting a foreign matter on the step inside the step of the escalator.

Further, the escalator safety protection device of the third feature of the present invention has step end force detecting means for detecting that a force of a predetermined value or more is applied to the skirt panel side end of the step of the escalator. And configure.

[0011]

In the escalator safety protection device of the first feature of the present invention, the skirt panel portion gap detecting means is provided to detect the presence or absence of foreign matter in the gap between the skirt panel of the escalator and the steps. The escalator is incorporated into a control panel that manages it, and when a foreign object is detected, the escalator is automatically stopped and an alarm is issued to the administrator.

This makes it possible to prevent accidents such as being caught in the gap between the skirt panel and the steps.

In the escalator safety protection device of the second feature of the present invention, the step foreign matter detecting means is provided inside the step of the escalator to detect the foreign matter on the step. For example, installing a plurality of foreign matter detection means on the steps, importing these detection results into a control panel or the like that manages the escalator, and comprehensively judging from each detection result, the auction raising part and the auction lowering part between the steps. When an abnormal situation such as a car accident is detected, the escalator is automatically stopped and an alarm is issued to the manager.

As a result, it is possible to prevent accidents such as being caught between the steps in the auction raising portion and the auction lowering portion.

Further, in the escalator safety protection device of the third feature of the present invention, the step end force detecting means is provided at the skirt panel side end of the step of the escalator, and the skirt panel side end of the step has a predetermined value or more. I try to detect that the power of is added.

The skirt panel side end of the step is a portion to which a large amount of force is not normally applied. By detecting an unnatural force applied to the portion, an accident such as a pinch between the skirt panel and the step can be prevented. Can be prevented.

[0017]

Embodiments of the present invention will now be described with reference to the drawings.

(First Embodiment) FIG. 1 is a block diagram of an escalator safety protection device according to a first embodiment of the present invention, showing a skirt panel and steps of an escalator in which a gap detection device is installed. FIG.

In the figure, 1 is a handrail rubber, 2 is an inner plate, 3 is an inner deck, 4 is a step, 5 is a skirt panel, 6 is an optical sensor, 10 is a demarcation comb, and 12 is a reflector. G indicates a gap between the skirt panel 5 and the step 4.

The gap detecting device of this embodiment is composed of an optical sensor 6 and a reflector 12, and the optical sensors (light receiving portions) 6 built in the inner deck 3 are arranged at certain intervals.
Allows automatic measurement in millimeters.

FIG. 2 is a block diagram showing an installation example of the gap detecting device. In the figure, 7 is an escalator machine room control panel, and 8 is a control room and control panel. The measured values from the optical sensor 6 are continuously taken into the escalator machine room control panel 7 and processed, and further necessary information can be confirmed in the external control room and the control panel 8.

The escalator machine room control panel 7 detects the presence or absence of a foreign matter in the gap between the skirt panel of the escalator and the steps based on the measured value, and when the foreign matter is detected, the escalator is automatically stopped and an alarm is issued to the administrator. I have to.

That is, when it is confirmed that "management value over", for example, zero, is continued for a certain period of time,
It is determined that "the passenger is getting on and off abnormally", and "an accident such as being caught in the skirt portion will occur" is predicted, and the escalator is stopped to prevent the accident.

In this embodiment, the gap detecting device is composed of the optical sensor 6 built in the inner deck 3 and the reflecting plate 12 at the bottom of the step 4, but the reflecting plate 1 is provided on the inner deck 3 side.
2 may have a configuration in which the optical sensors 6 are respectively installed on the bottoms of the steps 4. Further, even if the optical sensor 6 is provided on the skirt panel 5 and the reflection plate 12 is installed on the side surface of the step 4, or vice versa, the presence or absence of foreign matter in the gap between the skirt panel and the step can be detected.

The gap G between the step 4 and the skirt panel 5
As for the above, the taper gauge is actually measured at the time of the periodic inspection, but since the escalator safety protection device of the present embodiment constantly measures, the inspection is not necessary and the work time can be reduced.

(Second Embodiment) FIG. 3 shows a block diagram of an escalator safety protection device according to a second embodiment of the present invention. The escalator safety protection device of the present embodiment is for detecting the foreign matter on the step 4 by grounding the step foreign matter detection means (6a and 6b) inside the step 4 of the escalator.

As shown in FIG. 3, the step foreign matter detecting means is
In the step 4, the radio wave sensors 6a and 6b are installed below the demarcation comb 10 and the demarcation cleat 11, respectively. If a person or the like gets on each demarcation unit by the irradiation of radio waves from the radio wave sensors 6a and 6b, this can be detected.

For example, a plurality of stepped foreign matter detecting means are installed, and like the first embodiment (see FIG. 2), these detection results are fetched into a control panel or the like which manages the escalator, and from each detection result, Based on a comprehensive judgment, when an abnormal situation such as an accident such as an accident in which the steps are raised or lowered between the steps is detected, the escalator is automatically stopped and an alarm is issued to the administrator.

As a result, it is possible to prevent a personal accident such as an accident in which the steps are lifted up and the steps are lowered between the steps.

(Third Embodiment) FIG. 4 shows a block diagram of an escalator safety protection device according to a third embodiment of the present invention. In the escalator safety protection device of this embodiment, the step end force detecting means (12 and 13) is grounded to the end of the escalator on the side of the skirt panel 5 of the step 4, and the skirt panel 5 of the step 4 is grounded.
It is to detect that a force of a predetermined value or more is applied to the side end portion.

As shown in FIG. 3, the step end force detecting means is
The micro switch 12 and the trolley wire are used, and the micro switch 120 detects that the demarcation com 10 and the demarcation cleat 11 are running.

The end of the step 4 on the side of the skirt panel 5 is usually a portion to which a large amount of force is not applied, and by detecting an unnatural force applied to this portion, the step between the skirt panel 5 and the step 4 is pinched. It is possible to prevent accidents.

[0033]

As described above, according to the present invention,
The skirt panel gap detection means is provided to detect the presence or absence of foreign matter in the gap between the skirt panel of the escalator and the steps, and, for example, the detection result is imported to the control panel or the like that manages the escalator, and automatically detected when foreign matter is detected. Since the escalator is stopped and an alarm or the like is issued to the administrator, it is possible to provide an escalator safety protection device capable of preventing an accident such as being caught in the gap between the skirt panel and the steps.

According to the present invention, the step foreign matter detecting means is provided inside the step of the escalator to detect the foreign matter on the step. For example, a plurality of step foreign matter detecting means are installed, and When the detection result is imported to the control panel etc. that manages the escalator and comprehensively judged from each detection result, when an abnormal situation such as a pinch accident in the auction raising part and the auction lowering part between the steps is detected, it is automatically Since we decided to stop the escalator and issue an alarm to the administrator,
It is possible to provide an escalator safety protection device that can prevent an accident or the like from being caught in the auction raising portion and the auction lowering portion between steps.

Further, according to the present invention, the step end force detecting means is provided at the skirt panel side end of the step of the escalator to detect the unnatural force applied to the skirt panel side end of the step. Therefore, it is possible to provide an escalator safety protection device capable of preventing an accident or the like between the skirt panel and the steps.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an escalator safety protection device according to a first embodiment of the present invention, and is a cross-sectional view showing a state of a skirt panel and steps of an escalator in which a gap detection device is installed.

FIG. 2 is a configuration diagram showing an installation example of a gap detection device of the first embodiment.

FIG. 3 is a configuration diagram of an escalator safety protection device according to a second embodiment of the present invention, and is a side view of a step incorporating a sensor.

FIG. 4 is a configuration diagram of an escalator safety protection device according to a third embodiment of the present invention, and is an enlarged rear view of a step demarcation cleat scale mechanism.

FIG. 5 is a sectional view showing a state of steps and a skirt panel in a conventional escalator.

[Explanation of symbols]

 1 Handrail Rubber 2 Inner Plate 3 Inner Deck 4 Step 5 Skirt Panel 6 Optical Sensor 6a, 6b Radio Wave Sensor 7 Escalator Machine Room Control Panel 8 Management Room and Management Panel 9 Creat Riser 10 Demarcation Com 11 Demarcation Cleat 12 Reflector 13 Trolley wire 120 micro switch

Claims (3)

[Claims] 1. An escalator safety protection device comprising skirt panel gap detection means for detecting the presence or absence of foreign matter in the gap between the skirt panel of the escalator and the steps. 2. A safety protection device for an escalator, comprising an on-step foreign matter detecting means for detecting a foreign matter on the step inside the step of the escalator. 3. An escalator safety protection device, comprising step end force detecting means for detecting a force applied to a skirt panel side of a step of an escalator.